2025 Compare Cities People:
Maryville, IL vs Waterloo, IL

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Highlights
- Waterloo is 0% more densely populated than Maryville.
- People are 1.7% more likely to be married in Waterloo.
- The Median Age is 9.6 years younger in Waterloo.
 Maryville, ILWaterloo, ILUnited States
 Population  Unlock10,906329,725,481
 Female Population49.7%  Unlock50.5%
 Male Population50.3%  Unlock49.5%
 Median Age  Unlock40.438.4
 space3
 Population - 20107,589  Unlock309,327,143
 Population - 2000  Unlock7,614285,036,114
 Population - 19902,576  Unlock251,960,433
 Pop. 2000 to Now  Unlock38.4%15.6%
 Pop. 1990 to Now209.0%  Unlock30.8%
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 Population Density  Unlock1,340.393.4
 Land Area5.6  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 Maryville, ILWaterloo, ILUnited States
 Age 0 to 44.0%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 144.5%  Unlock6.6%
 Age 15 to 17  Unlock1.8%3.9%
 Age 18 to 202.0%  Unlock4.0%
 Age 21 to 24  Unlock4.9%5.2%
 Age 25 to 3411.6%  Unlock13.8%
 Age 35 to 44  Unlock15.1%12.9%
 Age 45 to 5414.5%  Unlock12.6%
 Age 55 to 59  Unlock6.2%6.7%
 Age 60 to 647.5%  Unlock6.3%
 Age 65 to 74  Unlock11.4%9.6%
 Age 75 to 845.3%  Unlock4.5%
 Age 85 and over  Unlock3.7%1.9%
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 Race
 Maryville, ILWaterloo, ILUnited States
 White83.6%  Unlock59.4%
 Black  Unlock0.5%12.2%
 Asian3.7%  Unlock5.6%
 Native American  Unlock0.5%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races3.4%  Unlock3.2%
 Hispanic  Unlock1.5%18.4%
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 Marriage & Family
 Maryville, ILWaterloo, ILUnited States
 Married Population55.4%  Unlock49.8%
     Currently Married  Unlock55.7%48.0%
 Married but Separated1.0%  Unlock1.8%
 Single Population  Unlock43.6%50.2%
 Never Married23.7%  Unlock33.8%
 Divorced  Unlock13.4%10.8%
 Widowed6.6%  Unlock5.6%
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 Household Size  Unlock2.472.60
 Households3,386  Unlock124,010,992
 Family Households  Unlock3,06880,755,759
     Married couple, w/children25.2%  Unlock30.5%
     Married couple, no children  Unlock48.0%42.9%
 Non Family Households1,169  Unlock43,255,233
     Single householder, w/children  Unlock13.4%15.8%
     Single householder, no children11.6%  Unlock10.8%
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